{"cve":"CVE-2026-52963","nvd":{"published":"2026-06-24T17:17:06.650","modified":"2026-07-14T16:17:50.187","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Bound MIDI endpoint descriptor scans\n\nsnd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint\ndescriptor size before using baAssocJackID[], but the descriptor walker can\nstill return a class-specific endpoint descriptor whose bLength exceeds the\nremaining bytes in the endpoint-extra scan.\n\nThat leaves later flexible-array reads bounded by bLength, but not by the\nremaining bytes in the endpoint-extra scan.\n\nStop walking when bLength is zero or\nextends past the remaining endpoint-extra scan.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb","https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e","https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e","https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3","https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-52963","score":0.00162,"percentile":0.05425,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}